Improve stability issues

duplicatedialog.py

@@ -176,16 +176,34 @@ class DuplicateManagerDialog(QDialog):
             super().wheelEvent(event)
 
     def keyPressEvent(self, event):
-        """Handles keyboard shortcuts for zooming."""
+        """Handles keyboard shortcuts for zooming and duplicate management."""
+        key = event.key()
+        if key == Qt.Key_U:
+            self._delete_left()
+            event.accept()
+            return
+        elif key == Qt.Key_I:
+            self._delete_right()
+            event.accept()
+            return
+        elif key == Qt.Key_O:
+            self._keep_both()
+            event.accept()
+            return
+        elif key == Qt.Key_P:
+            self._skip()
+            event.accept()
+            return
+
         if not self.active_pane:
             super().keyPressEvent(event)
             return
 
-        if event.key() == Qt.Key_Plus or event.key() == Qt.Key_Equal:
+        if key == Qt.Key_Plus or key == Qt.Key_Equal:
             self.active_pane.zoom_manager.zoom(1.1)
-        elif event.key() == Qt.Key_Minus:
+        elif key == Qt.Key_Minus:
             self.active_pane.zoom_manager.zoom(0.9)
-        elif event.key() == Qt.Key_Z:
+        elif key == Qt.Key_Z:
             self.active_pane.zoom_manager.zoom(reset=True)
         else:
             super().keyPressEvent(event)
@@ -260,6 +278,7 @@ class DuplicateManagerDialog(QDialog):
         # Create ImagePane
         pane = ImagePane(self, self.main_win.cache, [], 0, None, 0)
         pane.setContextMenuPolicy(Qt.CustomContextMenu)
+        pane.controller.show_faces = False  # Disable showing and adding areas
         pane.customContextMenuRequested.connect(self._show_pane_context_menu)
         v_layout.addWidget(pane)
 
@@ -367,6 +386,44 @@ class DuplicateManagerDialog(QDialog):
             self._set_pane_data(self.left_pane_widget, path_right, filename_color, dir_color, filename_right, dir_right)
             self._set_pane_data(self.right_pane_widget, path_left, filename_color, dir_color, filename_left, dir_left)
 
+        # Compare resolutions and highlight the best one
+        p_l = self.left_pane.controller.pixmap_original
+        p_r = self.right_pane.controller.pixmap_original
+        if not p_l.isNull() and not p_r.isNull():
+            res_l = p_l.width() * p_l.height()
+            res_r = p_r.width() * p_r.height()
+
+            winner = 0 # 0: none, 1: left, 2: right
+            if res_l > res_r:
+                winner = 1
+            elif res_r > res_l:
+                winner = 2
+            else:
+                # Same resolution, compare file sizes
+                try:
+                    path_l = self.left_pane.controller.get_current_path()
+                    path_r = self.right_pane.controller.get_current_path()
+                    size_l = os.path.getsize(path_l)
+                    size_r = os.path.getsize(path_r)
+                    if size_l > size_r: winner = 1
+                    elif size_r > size_l: winner = 2
+                except (OSError, AttributeError): pass
+
+            if winner == 1:
+                self.left_pane_widget.info_lbl.setStyleSheet("font-weight: bold; color: #2ecc71;")
+                self.left_pane_widget.info_lbl.setText("✓ " + self.left_pane_widget.info_lbl.text())
+                self.right_pane_widget.info_lbl.setStyleSheet("font-weight: bold; color: #aaa;")
+            elif winner == 2:
+                self.right_pane_widget.info_lbl.setStyleSheet("font-weight: bold; color: #2ecc71;")
+                self.right_pane_widget.info_lbl.setText("✓ " + self.right_pane_widget.info_lbl.text())
+                self.left_pane_widget.info_lbl.setStyleSheet("font-weight: bold; color: #aaa;")
+            else:
+                self.left_pane_widget.info_lbl.setStyleSheet("font-weight: bold; color: #aaa;")
+                self.right_pane_widget.info_lbl.setStyleSheet("font-weight: bold; color: #aaa;")
+        else:
+            self.left_pane_widget.info_lbl.setStyleSheet("font-weight: bold; color: #aaa;")
+            self.right_pane_widget.info_lbl.setStyleSheet("font-weight: bold; color: #aaa;")
+
     def _set_pane_data(self, pane_widget, path, filename_color, dir_color, filename_text, dir_text):
         pane = pane_widget.pane
         info_lbl = pane_widget.info_lbl
@@ -636,6 +693,10 @@ class DuplicateManagerDialog(QDialog):
                 self.cache.mark_as_pending(p.path1, p.path2, False)
 
             self.main_win.delete_file_by_path(delete_path, permanent=permanent) # Use default setting
+            if os.path.exists(delete_path):
+                QMessageBox.warning(self, UITexts.ERROR, UITexts.ERROR_DELETING_FILE.format(delete_path))
+                return
+
             # Remove all pairs containing this path because it no longer exists
             self.duplicates = [d for d in self.duplicates if d.path1 != delete_path and d.path2 != delete_path]
         else: